Smash Bros, Brawl version of Waluigi in BETA FORM. might update him later. ripped and ported by meKNOWN BUGS:if you drop the tennis racket, it will go every where very fast and will killer you if it hits yawaluigi with the racket, has the same sort of but, but minimum,waluigi without racket has no known issues

This download looks like an addon. You need to extract the downloaded zip and put the addon folder in your Garry's Mod addons folder. You should end up with a directory structure similar to below: